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Power Plant Engineering

Power Plant Engineering
The material most commonly used for shielding is

All of these
Concrete
Carbon
Lead

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Power Plant Engineering
Hydrogen is preferred as better coolant in comparison to CO₂ because former

Is a good conductor
Has high specific heat
Is lighter
Is inert

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Power Plant Engineering
Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is

No moderator is needed
Carbon dioxide
Graphite
Heavy water

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Power Plant Engineering
The efficiency of a nuclear power plant in comparison to conventional and nuclear consideration is

High heat rejection in condenser
High initial cost
Lower temperature and pressure conditions
Higher cost of nuclear fuel

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Power Plant Engineering
The size of the reactor is said to be critical when

It becomes uncontrollable
Chain reaction can be initiated
It explodes
It produces no power

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Power Plant Engineering
The percentage of carbon in bituminous coal is in the order of

50-65%
30-50%
65-80%
20-40%

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